Tell whether this solution has one, zero or many solutions by solving it -2(z+3)-z=-z-4(z+2)

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose